72 lines
2.2 KiB
Java
72 lines
2.2 KiB
Java
/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8224539
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* @summary Test arraycopy optimizations with bad src/dst array offsets.
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xbatch -XX:+AlwaysIncrementalInline
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* compiler.arraycopy.TestArrayCopyWithBadOffset
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*/
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package compiler.arraycopy;
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public class TestArrayCopyWithBadOffset {
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public static byte[] getSrc() {
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return new byte[5];
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}
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// Test bad src offset
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public static void test1(byte[] dst) {
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byte[] src = getSrc();
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try {
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System.arraycopy(src, Integer.MAX_VALUE-1, dst, 0, src.length);
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} catch (Exception e) {
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// Expected
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}
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}
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public static byte[] getDst() {
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return new byte[5];
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}
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// Test bad dst offset
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public static void test2(byte[] src) {
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byte[] dst = getDst();
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try {
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System.arraycopy(src, 0, dst, Integer.MAX_VALUE-1, dst.length);
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} catch (Exception e) {
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// Expected
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}
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}
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public static void main(String[] args) {
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byte[] array = new byte[5];
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for (int i = 0; i < 10_000; ++i) {
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test1(array);
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test2(array);
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}
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}
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}
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